maedhroz commented on code in PR #3606:
URL: https://github.com/apache/cassandra/pull/3606#discussion_r1794383527
##########
src/java/org/apache/cassandra/io/util/CompressedChunkReader.java:
##########
@@ -117,8 +141,23 @@ public void readChunk(long position, ByteBuffer
uncompressed)
{
ByteBuffer compressed = bufferHolder.getBuffer(length);
- if (channel.read(compressed, chunk.offset) != length)
- throw new CorruptBlockException(channel.filePath(),
chunk);
+ if (readAheadBuffer != null && readAheadBuffer.hasBuffer())
+ {
+ int copied = 0;
+ while (copied < length) {
Review Comment:
There need to be configuration checks to make sure that read ahead is either
disabled or some minimum multiple of chunk size, right? Even if your situation
could be made to not explode, it’s non-sensical?
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